Remove some dead code.

R=mstarzinger@chromium.org
BUG=

Review URL: https://chromiumcodereview.appspot.com/11412322

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13136 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/isolate.cc

@@ -426,11 +426,6 @@ char* Isolate::Iterate(ObjectVisitor* v, char* thread_storage) {
 }
 
 
-void Isolate::IterateThread(ThreadVisitor* v) {
-  v->VisitThread(this, thread_local_top());
-}
-
-
 void Isolate::IterateThread(ThreadVisitor* v, char* t) {
   ThreadLocalTop* thread = reinterpret_cast<ThreadLocalTop*>(t);
   v->VisitThread(this, thread);

src/isolate.h

@@ -770,7 +770,6 @@ class Isolate {
   void Iterate(ObjectVisitor* v);
   void Iterate(ObjectVisitor* v, ThreadLocalTop* t);
   char* Iterate(ObjectVisitor* v, char* t);
-  void IterateThread(ThreadVisitor* v);
   void IterateThread(ThreadVisitor* v, char* t);
 
 
@@ -923,10 +922,6 @@ class Isolate {
 
   bool fp_stubs_generated() { return fp_stubs_generated_; }
 
-  StaticResource<SafeStringInputBuffer>* compiler_safe_string_input_buffer() {
-    return &compiler_safe_string_input_buffer_;
-  }
-
   Builtins* builtins() { return &builtins_; }
 
   void NotifyExtensionInstalled() {
@@ -1233,7 +1228,6 @@ class Isolate {
   ThreadManager* thread_manager_;
   RuntimeState runtime_state_;
   bool fp_stubs_generated_;
-  StaticResource<SafeStringInputBuffer> compiler_safe_string_input_buffer_;
   Builtins builtins_;
   bool has_installed_extensions_;
   StringTracker* string_tracker_;

src/objects.cc

@@ -7013,11 +7013,6 @@ void StringInputBuffer::Seek(unsigned pos) {
 }
 
 
-void SafeStringInputBuffer::Seek(unsigned pos) {
-  Reset(pos, input_);
-}
-
-
 // This method determines the type of string involved and then copies
 // a whole chunk of characters into a buffer.  It can be used with strings
 // that have been glued together to form a ConsString and which must cooperate

src/objects.h

@@ -7954,17 +7954,6 @@ class StringInputBuffer: public unibrow::InputBuffer<String, String*, 1024> {
 };
 
 
-class SafeStringInputBuffer
-  : public unibrow::InputBuffer<String, String**, 256> {
- public:
-  virtual void Seek(unsigned pos);
-  inline SafeStringInputBuffer()
-      : unibrow::InputBuffer<String, String**, 256>() {}
-  explicit inline SafeStringInputBuffer(String** backing)
-      : unibrow::InputBuffer<String, String**, 256>(backing) {}
-};
-
-
 template <typename T>
 class VectorIterator {
  public: